21279672

素因数分解:

$2^3\times 3^4\times {\mathrm{32839}}^1$

素因数の和:32857

約数の個数: 40

約数和(自身を含む): 59604600

約数和(自身を除く): 38324928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 32839, 65678, 98517, 131356, 197034, 262712, 295551, 394068, 591102, 788136, 886653, 1182204, 1773306, 2364408, 2659959, 3546612, 5319918, 7093224, 10639836, 21279672]

約数ペア:

[(1, 21279672), (2, 10639836), (3, 7093224), (4, 5319918), (6, 3546612), (8, 2659959), (9, 2364408), (12, 1773306), (18, 1182204), (24, 886653), (27, 788136), (36, 591102), (54, 394068), (72, 295551), (81, 262712), (108, 197034), (162, 131356), (216, 98517), (324, 65678), (648, 32839)]